Lexmark MS415
Check if both the toner cartridge and imaging unit are Lexmark-authorized MICR (magnetic ink character recognition) supplies or non-MICR supplies.
Change the toner cartridge or imaging unit so that both are Lexmark-authorized MICR supplies or non‑MICR supplies.
Notes:
Understanding imaging unit yield on Lexmark's MS/MX 310, 410, 510, 61x, 71x, and 81x devices.
"42" or "42.xx" Toner Cartridge Mismatch Error